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Mon, Nov 26, 2007

ANN's Daily Aero-Term (11.26.07): Heat Sink

Aero-Terms!

Aero-Terms are designed to be a daily reminder of the terms, names, acronyms and explanations of the unique language that populates the aviation world. Aerospace, sport aviation, fixed wing, helo, you name it... it's all fair game.

Aero-Terms should serve as a quick but intriguing reminder of the terms you may use every day, or an introduction to an aspects of the Aero-World you may not yet be familiar with. ANN also encourages readers to go beyond the FMI link, and further research any intriguing terms.

Suggestions for future Aero-Terms are ALWAYS welcome, as are additions or discussion of the explanations given for each Aero-Term.

Heat Sink

A piece of heavy metal on which electrical components, such as power transistors, are mounted. Heat from the component is transferred into the heat sink via conduction, and then dissipated into the surrounding air. Silicone grease is sometimes spread between the component and the hat sink to aid in the heat transfer. Many heat sinks on which high power components are mounted have fins to increase their cooling area.

FMI: http://searchsmb.techtarget.com/sDefinition/0,,sid44_gci815999,00.html

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